“DETERMINATION OF FREE ACIDITY IN SULFURIC LIQUORS USING THE OXALATE METHOD: SCOPE, LIMITATIONS, AND VALIDATION”. Revista Multidisciplinar do Nordeste Mineiro 18, no. 2 (September 30, 2025): 1–19. Accessed October 2, 2025. https://remunom.ojsbr.com/multidisciplinar/article/view/4559.